Derivatives of saturated and unsaturated compounds of the cyclopentanopolyhydrophenanthrene series and process of producing same
United States Patent 2267258

Inventors:
Leopold, Ruzicka
Publication Date:
12/23/1941
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Assignee:
CIBA PHARM PROD INC
Primary Class:
552/592
Other Classes:
552/597, 552/598
International Classes:
C07J1/00; C07J75/00